An ELA allows you to make annual payments for a three-year period in exchange for a package of software, maintenance, services and training. ELAs provide unlimited quantities of selected ESRI products over the term of the agreement.

Flexible GIS deployments to desktops, servers and mobile devices
Consolidate GIS and IT initiatives and establish internal standards
Incorporate GIS into mission-critical applications and workflows
Achieve organization-wide GIS more quickly and less expensively